The Repentance Tower is a very rare example of a mid-16th century watch tower standing on Trailtrow Hill. Built in 1565 by John Maxwell, the tower takes its name from an inscription Repentance carved on the stonework above the entrance door.
The watch tower remained with the Maxwells until in around 1627 the sixth Lord Herries sold Hoddam Castle and the tower to Sir Richard Murray of Cockpool (Comlongan) Castle. The barony and castle were purchased in 1690 by John Sharpe and remained with that family until 1878.
The Clementinum is a historic complex of buildings in Prague. Until recently the complex hosted the National, University and Technical libraries, the City Library also being located nearby on Mariánské Náměstí. The Technical library and the Municipal library have moved to the Prague National Technical Library at Technická 6 since 2009. It is currently in use as the National Library of the Czech Republic.
Its history dates from the existence of a chapel dedicated to Saint Clement in the 11th century. A Dominican monastery was founded in the medieval period, which was transformed in 1556 to a Jesuit college. In 1622 the Jesuits transferred the library of Charles University to the Klementinum, and the college was merged with the University in 1654. The Jesuits remained until 1773, when the Klementinum was established as an observatory, library, and university by the Empress Maria Theresa of Austria.